package com.myGroup.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
//import com.mannor.reggie_take_out.common.JacksonObjectMapper;
import com.myGroup.common.JacksonObjectMapper;
import com.myGroup.interceptor.LoginCheckInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

@Slf4j
@Configuration
@EnableSwagger2
@EnableKnife4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
    /**
     * 设置静态资源映射
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始进行静态资源的映射.....");
        // 接口文档的地址
        registry.addResourceHandler("doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");

//        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
//        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }

    /**
     * 扩展MVC框架的消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        // log.info("扩展到额消息转换器.....");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter=new MappingJackson2HttpMessageConverter();
        //设置转换器对象，底层使用jackson对象将java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将上面的消息转换器对象追加带mvc框架的转换器集合中
        converters.add(0,messageConverter);//为0是设置优先使用我们定义的此消息转换器

        super.extendMessageConverters(converters);
    }


    @Bean
    public Docket createRestApi() {
        // 文档类型
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.myGroup.controller")) // 扫描controller包
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("垃圾分类志愿者网站")
                .version("1.0")
                .description("项目接口文档")
                .build();
    }

    //拦截器对象
    @Autowired
    private LoginCheckInterceptor loginCheckInterceptor;

    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        // 注册自定义拦截器对象
        // 后端直接放行的页面在这里定义（这些页面不会检查前端传的token）
        registry.addInterceptor(loginCheckInterceptor)
                // .addPathPatterns("/**")
                .excludePathPatterns("/doc.html**","/swagger-resources/**", "/webjars/**", "/v2/**", "/swagger-ui.html/**")
//                .excludePathPatterns("/webjars/**")
                .excludePathPatterns("/admin/user/login") // 管理员登录接口
                .excludePathPatterns("/admin/user/userlogin") // 用户登录接口
                .excludePathPatterns("/admin/act/page") // 活动查询接口
                .excludePathPatterns("/admin/act/dtl/**") // 活动详情
                .excludePathPatterns("/admin/user"); // 注册接口
//         .excludePathPatterns("/**"); // 测试用
    }
}
